The table below shows the result of the TLC of two compounds, P and Q: Compound R, value Developing solvent 0.40 petroleum ether 0.55 dichloromethane 0.40 petroleum ether Q 0.55 dichloromethane Explain which solvent would be better for separating a mixture of P and Q.

The table below shows the result of the TLC of two compounds, P and Q: Compound R, value Developing solvent 0.40 petroleum ether 0.55 dichloromethane 0.40 petroleum ether Q 0.55 dichloromethane Explain which solvent would be better for separating a mixture of P and Q.

EBK A SMALL SCALE APPROACH TO ORGANIC L

4th Edition

ISBN:9781305446021

Author:Lampman

Publisher:Lampman

Chapter89: Thin-layer Chromatography

Section: Chapter Questions

Problem 5P

See similar textbooks

Related questions

Q: 15. A chromatography trial is performed on an unknown substance. The d₁ = 9.0 cm, the d2=13.7 cm.…

A: Thin layer chromatography (TLC) is a method of separating components of the mixture. It is based on…

Q: The density of acetic anhydride is 1.08 g/mL. Calculate the mass (in grams) of acetic anhydride…

Q: 16. The peak with the greatest m/z value for alcohols is given by m/z M-18, where M represents the…

A: Molecular weight can be obtained by adding the individual atomic weight. Atomic weight of H2 = 2 × 1…

Q: A compound X is to be determined by UV-visible spectrophotometry. A calibration curve is constructed…

A: A set of data for calibration curve.

Q: cyclopentane pyrrolidine tetrahydrofuran area A = 100 intensity area B = 70 area C= 180 retention…

A: Gas chromatogram a mixture of three compounds pyrrolidine, tetrahydrofuran and cyclopentane.

Q: Solvent Front Highest point of the dye Lowest point of the dye Rf Value Baseline Chromatogram A 15.0…

Q: Suppose a difference in changes in plasma oxytocin leveis between two groups of 0.2 pg/mL Would be…

A: Solution - According to the question - Given -

Q: Describe with illustrations the observed peak for a chromatogram with the following tailing factors…

A: Tailing factor: It should meet the requirements of the individual monograph and can be calculated by…

Q: Arrange the following solvents in order of increasing polarity (least polar to most polar): Propyl…

A: TLC stand for Thin layer chromatography . It is used to separate and identify compound in an…

Q: Why do we need to cover the beaker with aluminum foil or saran wrap

Q: Here is the protocol for a UV-Vis spectrophotometer to detect water and chlorine-carbon. 1.Dissolve…

A: To calibrate a spectrophotometer with a standard solution, the solution is placed in a cuvette and…

Q: With the following information for a GC analysis using an internal standard, calculate the…

Question

100%

. The table below shows the result of the TLC of two compounds, P and Q:
Compound
Rf value
Developing solvent
0.40
petroleum ether
0.55
dichloromethane
0.40
petroleum ether
0.55
dichloromethane
Explain which solvent would be better for separating a mixture of P and Q.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1-Introduction

VIEW

Step 2-Selection of solvent

VIEW

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

In an experiment of Reverse Phase chromatography using C-18 stationary phase and a mixture of methanol/ethyl acetate/acetic acid, a researcher tried to separate the 3 compounds shown below. Which compound would have the lowest Rf and which the highest Rf in this experiment? Explain your answer and show any relevant structures.
Nn.180. Subject :- Chemistry
Which of the following pairs of compounds would be most easily separated by thin layer chromatography: n-octyl alcohol and 1-octene, hexadecane and octadecane, or chlorobenzene and bromobenzene?
The following chromatographic peaks indicate the undesirable interaction and separation that taken place. Explain in detail how these undesirable interaction and separation happen for each chromatographic peak. b с d a
1. Answer true or false for each statement: a) A TLC analysis is sufficient to characterize the purity of a compound. b) Carboxylic acids containing six or more carbon atoms per molecule are more soluble in2.5 M sodium hydroxide than in diethyl ether. c) Phenols containing six or more carbon atoms per molecule are more soluble in 2.5 M sodium hydroxidethan in diethyl ether. d) Benzoic acid and p-nitroaniline form water-soluble salts, whereas naphthalene does not. e) TLC analysis is the method of choice to determine the type of solid phase and eluent system that is required for a column chromatography separation. f) Mineral oil is an inappropriate heating fluid for determining the boiling points of samples that exceed 200°C (760 torr)? g) A heating bath containing mineral oil should not be used to determine the melting points of solids meltingabove 200 °C
Please
Briefly outline why cinnamaldehyde, cinnamic acid and cinnamyl alcohol travelled different distances on the TLC plate. The solution used to develop the TLC plate was a mixture of toluence and methanol (8:1.5)
Q24) Consider the following data obtained from the size exclusion chromatography of polypropylene, which was made from propylene of molecular weight 42.08 g/mol. S.No. Number of Molecular Weight Molecules Range (g/mol) 5 8,000 - 16,000 16 16,000 - 24.000 3. 24 24,000 - 32,000 4 28 32,000 - 40,000 5 20 40,000 - 48,000 48,000 – 56,000 From the above data, determine a) Number average molecular weight (M). b) Weight average molecular weight ( Mw). c) Degree of polymerization (DP)
These chromatograms were recorded using reverse phase HPLC. |1,2,3 Peaks: 1. Benzyl alcohol 2. Phenol 5. Ethyl benzoate 6. Toluene 7. 2,6-Dimethoxytoluene 8. o-Methoxybiphenyl 8 3. 3,4-Dimethoxyacetophenone 4. Benzoin 6,7 |2,3 51 5 8 5 5 10 15 20 25 Time (min) Time (min) → a) Give an example of a mobile phase for this type of separation. b) Give an example of a detector that might be used for these compounds. c) Give an example of a stationary phase that might be used for these separations. Chromatogram A Chromatogram B
One of the comonly used stationary phases in gas chromatography is (Diphenyl)x/(dimethyl)1 - x polysiloxane. How is the polarity of this stationary phase controlled. CHỉ +0-i- -0–și- CH3
36 ANAL 492: Separating and Identifying Food Dyes by Paper Chromatography 4. A student tested water with 2% NaCl as a possible solvent for the separation of a mixture that could con- tain one or more of the following: G3, Y5, R3, and B1. He obtained the chromatogram of the individual dyes and the mixture shown below. G3 Y5 solvent front R3 B1 origin line Mix (a) Measure the distance the solvent front moved. solvent front (b) Measure the distance each spot moved. Y5__ R3 B1 (c) Calculate the R, for each component. G3 R3 _B1_ G3___________Y5 (d) Which dye(s) can the student say, with cer- tainty, is/are present in the mixture? (e) Is water with 2% NaCl a good choice for the resolution of the mixture? Briefly explain.
If you are interested in separating a mixture of volatile compounds, which technique do you think would work best? ○ ICPMS ○ HPLC О АА ○ UV/Vis O LOD GC ○ TLC